The Wall

Trying to buld a pryamid of event numbers.

?
Sandwell Valley #2 Babbs Mill #2
Isabel Trail #3 Chasewater #3 Alvaston #3
Warwick Racecourse #4
Sandwell Valley #5 Stranmillis College #5
East Park #6
Churchfields Farm #7
Clifton #8
Severn Valley Country #9
East Park #10